Knockdown cot.



W. W. VINCENT.

KNOCKDOWN COT APPLICATION FILED JUNE], 1914.

1,177,836. Patented Apr. 4,1916.

UNITED sTATEs PATENT OFFICE.

WILLIAM W. VINCENT, F KENOSHA, WISCONSIN, ASSIGNOR TO THE VINCENT- ALWABD COMPANY, OF KENOSHA, WISCONSIN, A CORPQRATION OF WISCONSIN.

KNOGKDOWN 001.

Specification of Letters Patent.

Patented Apr. 4, 1916.

Application filed June 1, 1914. Serial No. 842,010.

To all whom it may concern:

Be it known that I, WVILLIAM W. VIN- CENT, a citizen of the United States, residing at Kenosha, in the county of Kenosha and State of Wisconsin, have invented certain new and useful Improvements in Knockdown Cots, of which the following is a specification.

The leadingaim of the present invention is the production of a knock-down or collapsible bed, cot, or couch construction which will occupy but small space during shipment, the parts of which may be readily assembled and secured together, and which will not become accidentally detached when the structure has once been set up for use.

A furtherfeature of a structure embodying the invention in its preferred form resides in the absence of any separate small parts likely to become lost or misplaced.

Simplicity of construction, economy in manufacture, pleasing appearance, rigidity and strength when set up for use, and the capability of rapid and easy disassociation of its structural elements or'parts are, of course, additional features of advantage and importance.

In the accompanying drawing I have illustrated a preferred and desirable embodiment of the invention. i

In this drawing: Figure 1 is an end View of a cot incorporating the features of my invention: Fig. 2 is an enlarged horizontal section on line 2-2 of Fig. 1. Fig. 3 is an enlarged vertical section on line 3-3 of Fig. 1, the parts being viewed in the direction indicated by the arrows; Fig. 4 is a fragmentary viewof a modified c0nstruction employing a hook or catch in association with the pin and slot attaching-means;

Fig. 5 is a fragmentary face view. of the structure shown in 4, and. Fig. 6 is a horizontal section on line 6-6 of Fig 4. s

This cot, which comprises a main body or frame 10 supplied with a suitable'bedbottom fabric, (not illustrated), and supporting helical springs 11, has-hinged to its sides the two leaves or extensions 12 and 13 which are illustrated in Fig. 1 in their folded condition. As is well understood these leaves or extensions areused as occasion arises to enlarge the size of the cot or bed, by being brought into the same horizontal plane as that of the bed bottom fabric. At each corner the frame 10 is supplied with an upright or vertical anglepost 14 secured at its lower end to an angle 15 forming a part of the main-frame 10 and extended longitudinally thereof, it

being understood that there is one of such bars at each side ofthe frame 10. The bars 14 and 15 may be secured together in any approved manner, as for instance, by means of one or more rivets 16.

Each end of thebody or cot is Provided with a detachable end-support composed of a lower arched angle-bar 17, the opposite terminal portions of which form the feet of the support and are equipped with casters or rollers 18, 18. Bar 17 has secured thereto two upright legs or posts 19 and 20 of angle-shape in cross-section, the lower end of each of such legs having two cars 21 and 22 secured by means of bolts or rivets 23 and 24 to the sides and top faces ofv the arch-bar 17, as is clearly shown'in Fig. 1.

Each of these end supports above the bar 17 has its legs 19 and 20 cross-connected together by means of a straight strap or bar 25, the angle-legs 19 and 20 extending above such bar, as shown. The legs 19 and 20 are spaced apart such a distance that they will just fit over the two correspondingcorner-posts 14, 14, of the main-frame 10,

each of the angle-posts. 14 fitting snugly within its corresponding leg 19 and 20 as the case may be. Sucha fit prevents lateral displacement of the supporting end relatively to the main-frame or body 10, as will be readily understood. In order that the cot proper may be detachably supported at each end on one of these end structures, I provide the outer face of each of thecorner-posts or bars 14 with a pin 26'having an enlarged head 27, and I also provide the corresponding flanges of the legs 19 and 20 with slots 28 having a narrow or restricted portion of'substantially-the same width as the diameter of the pin 26, and an enlarged part 29 of sufficient size to permit the passage of the head 27 therethrough.

Assuming that the parts are assembled, as illustrated in Fig. 1 so that the cot proper is supported by means of the pins 27 on the legs 19 and 20, and that it is desired totake off the end support for the purpose of shipment or crating, the operator lifts the frame 10 until the heads 27 of the pins .26 are in register with the enlarged parts .29 of the slots 28. Then the end structure may be Leo ' width, and a lower enlarged part 33.

detached by merely shifting-it longitudinally away from the main-body 10, the

pass through the parts 29 of the slots 28 and. then by shifting the end toward the cot so that the heads pass through these holes and then. permitting the cot to lower, the pins will pass intothe narrow portions of the slots 28 and support the cot on. the legs- 19 and 20 about the posts 14, preventing lateral shifting of the end structure, and the pin and slot connection prevents displacement of the end-structure longitudinally of the cot so that the parts are rigidly and securely locked together without danger of accidental displacement. That is to say the structure is not a ricketyfwabbly, con-- struction, but possesses great strength, rigidity and stability.

In some instances it may be desirable to lock the detachable parts together by means of a hook or catch so that a lifting of the cot will not by any chance permit unintentional detachment of the end-structure. In Figs. 4,

5, and 6 Ihave illustrated a modification possessing these characteristics. In this instance the slots are provided in the parts corresponding to the posts 14, and the pins on. the parts corresponding to the legs 19 and 20. In this modification, each corner-post of angle cross-section and corresponding to the corner-post 14 of the main-frame of the cot, is supplied with a hole or aperture 31 having an upper portion 32 of narrow That is to say, the slot in the part 30 is inverted. The leg'34, angle-shaped in cross-section, and "corresponding to one of the legs 19 and 20 of the structure shown in Fig. 1, fits closely about the post, 30, as shown in Fig. 6, and the flange thereof cooperating with the apertured flange of the post 30 is supplied with a pin having a head 36, this pin being adapted to cooperate with the slot 31,

as will be readily understood. The post 30 has pivoted at 37 to the inner face of its apertured flange, a catch or hook 38 having a bent end 39 forming a handle, and a slot 40 adapted to receive the shank of the pin just beneath its head 36. This hook or catchisalso beveled at 41, 42, on-opposite sides of the entrance to the slot so as to facilitate the passage of the catch beneath the pin head and acts as a cam to draw the leg firmly against the post.

when the end structure is secured to the cot-frame, the parts are in the position illustrated in Figs. 4, 5, and 6, the post 30 of the cot-frame resting upon and being supported To secure one, of the ends to the cot by the pin 35 securedto the supporting leg of the detachable end-structure. Unintentional detachment of the end is prevented by the presence of the catch 38. whichlocks the I- pin in the restricted portion of the slot 31,

and avhich also holds the. leg 34 closelylin contact with the corner-posts 30. In case it is desired to detach the end-structure from the cot-frame, then each of the twocatches 38 at that'end of the structure are swung out of the way, freeing their-pins Then by liftingthe cot-frame and the posts 30 until.

the heads 36 are in'register with the .en-.

larged portions 33 of theslots 31, the'end structure may be readily detached by shift mg 1t lengthwise away from themain-frame,

the pin-heads passingpout through the en-.. larged openings 33. Then, ofcourse, the

structure may be shipped in knock-down: condition.

To assemble the end structure with the main-frame it is merely necessary to bring, the end andv frame in such relation that-the."

pair-of pin heads 36 will pass through the larger port1ons33 of the slots in thecorner posts and then by lowering the cotsframe the narrower portions 32 of the apertures will;-

fit about the shanks of the pins, and the main-frame will be supported by the end walls of the slots resting on the pins. Then" the two catches at that end of the construc tion may be swung inwardly, locking the pins in thenarrow parts of the slots, pre

venting lifting of the cot-body, without at. the same time lifting the endstructure. (thereby preventing unintentional separa: tion of the parts), and drawing each leg 34 firmly against the adjacent faceof its post 30 due to. the cam action brought about by the beveled surfaces 41, 42, acting on the un.-' g It will bev observed that the use of these hooks or:

der-portion of V the pin-heads.

catches is in the nature of a safety appliance which at the same timeetfects a somewhat more rigid fasteningof the supporting end tails of construction presented because these/1' may be varied within comparatively Wide.

limits without departing from the substance and essence of the invention. 7

I claim:

In a knock-down construction of 1 the.

character described, the combination" of a.

main-body and a detachable supporting-end, said body and .end. having the one a headed. pin andtheother a slot adaptedto acconr; modate the pin, said slot havingan enlarge ment to permit the passage of the head therethrough, and a cam catch pivoted to the part having the slot and adapted to engage pin beneath its head to prevent movement In testimony whereof I have hereunto of the pin in the slot and thus prevent uninsigned my name in the presence of two subtentional detachment of the end from the scribing witnesses.

main-body and also adapted by its cam ac- WILLIAM W. VINCENT. tion to draw the end and body to ether to Witnesses:

secure greater rigidity, substantiafiy as de F. L. ALWARD,

scribed. W. F. WHITE.

Copies of this patent may be obtained for five cents each, by addressing the ffiommissioner of Patents, Washington, D. 0." 

